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Abstract #2293

MR Elastography of Skull Base Tumors

John Huston III 1 , Arvin Arani 1 , Nikoo Fattahi 1 , Kevin J Glaser 1 , David S Lake 1 , Armando Manduca 1 , Joshua D Hughes 2 , Jamie J Van Gompel 2 , and Richard L Ehman 1

1 Radiology, Mayo Clinic, Rochester, Minnesota, United States, 2 Neurosurgery, Mayo Clinic, Rochester, Minnesota, United States

Tumors of the skull base vary in stiffness; however, stiffness cannot reliably be predicted with conventional MRI sequences. Stiff tumors can result in a difficult surgical resection with extended operative time and increased risk to the patient. In addition, with the increasing role of endoscopy, knowing tumor stiffness prior to surgery could be critical to decide between an open or endoscopic approach. The goal of this study was to determine the potential of MR Elastography to preoperatively assess the stiffness of skull base meningiomas, pituitary adenomas, and vestibular schwannomas.

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